Sperm are the most diverse and rapidly evolving cell type. Why sperm have undergone such dramatic evolution is a mystery that ...

The stunning specimen you can see above was the first documented instance of a tarantula with gynandromorphic characteristics ...

Around 90 percent of bird species are socially monogamous, but if the bond is broken without death, it is known as divorce.

Hypenia macrantha flowers in Brazil employ explosive pollen catapults Pollen blasts knock rival pollen off hummingbird beaks ...